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29 * @(#)raw_cb.c 8.1 (Berkeley) 6/10/93
30 * $FreeBSD: src/sys/net/raw_cb.c,v 1.16 1999/08/28 00:48:27 peter Exp $
31 * $DragonFly: src/sys/net/raw_cb.c,v 1.11 2006/09/05 00:55:46 dillon Exp $
34 #include <sys/param.h>
35 #include <sys/malloc.h>
36 #include <sys/socket.h>
37 #include <sys/socketvar.h>
38 #include <sys/domain.h>
39 #include <sys/protosw.h>
41 #include <net/raw_cb.h>
44 * Routines to manage the raw protocol control blocks.
47 * hash lookups by protocol family/protocol + address family
48 * take care of unique address problems per AF?
49 * redo address binding to allow wildcards
52 struct rawcb_list_head rawcb_list;
54 static u_long raw_sendspace = RAWSNDQ;
55 static u_long raw_recvspace = RAWRCVQ;
58 * Allocate a control block and a nominal amount
59 * of buffer space for the socket.
61 * The so->so_pcb has already been assigned by the caller, and the
62 * caller has also already bumped the socket refs.
65 raw_attach(struct socket *so, int proto, struct rlimit *rl)
67 struct rawcb *rp = sotorawcb(so);
71 * It is assumed that raw_attach is called
72 * after space has been allocated for the
77 error = soreserve(so, raw_sendspace, raw_recvspace, rl);
81 rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
82 rp->rcb_proto.sp_protocol = proto;
83 LIST_INSERT_HEAD(&rawcb_list, rp, list);
88 * Detach the raw connection block and discard
92 raw_detach(struct rawcb *rp)
94 struct socket *so = rp->rcb_socket;
97 sofree(so); /* remove pcb ref */
98 LIST_REMOVE(rp, list);
103 * Disconnect and possibly release resources.
106 raw_disconnect(struct rawcb *rp)
108 if (rp->rcb_socket->so_state & SS_NOFDREF)
113 #include <sys/mbuf.h>
116 raw_bind(struct socket *so, struct mbuf *nam)
118 struct sockaddr *addr = mtod(nam, struct sockaddr *);
122 return (EADDRNOTAVAIL);
124 nam = m_copym(nam, 0, M_COPYALL, MB_TRYWAIT);
125 rp->rcb_laddr = mtod(nam, struct sockaddr *);